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Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman
Edition 7ISBN: 978-1285448596Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman
Edition 7ISBN: 978-1285448596 Exercise 33
You are an engineer with Ace Foundations, Inc. Your company has been hired to build a 165-foot foundation wall for the construction of a house. You have calculated that the drainage line around the wall will take 1 cubic yard of gravel for every 5 feet of wall.
a. If a contractor's wheelbarrow has a
cubic yard capacity, how many wheelbarrow loads of gravel will be needed?
b. If your company typically builds this type of a wall at an average rate of
feet per hour, how many hours will it take to build the foundation wall?
c. Each load of gravel costs $4. The wall materials cost $13 per foot, and labor costs $62 per hour. If $2,700 profit is to be added to the job, how much is the total charge to build the foundation wall?
a. If a contractor's wheelbarrow has a
cubic yard capacity, how many wheelbarrow loads of gravel will be needed?b. If your company typically builds this type of a wall at an average rate of
feet per hour, how many hours will it take to build the foundation wall?c. Each load of gravel costs $4. The wall materials cost $13 per foot, and labor costs $62 per hour. If $2,700 profit is to be added to the job, how much is the total charge to build the foundation wall?
Explanation
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(a) To know how many wheelbarrow loads o...
Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman
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